On 12/26/2011 12:33 PM, Simon Glass wrote:
> From: Jimmy Zhang <jimmzh...@nvidia.com>
>
> At cold boot, the default voltage supplied by pmu is not high enough
> to support emc to run at its highest clock frequency. The code added
> here is to update the default vdd_core and vdd_cpu to higher values.
>
> (Sorry if I have mangled this comment)
?? Remove that last line?
I thought this issue only affected the T25 SKU when coupled with a
particular voltage regulator that wasn't reprogrammed to explicitly
support T25. Hence, shouldn't this code only be enabled for specific boards?
> diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c
...
> /*
> + * Routine: power_det_init
> + * Description: turn off power detects
> + */
> +static void power_det_init(void)
> +{
> +#if defined(CONFIG_TEGRA2)
> + struct pmc_ctlr *const pmc = (struct pmc_ctlr *)TEGRA2_PMC_BASE;
> +
> + /* turn off power detects */
> + writel(0, &pmc->pmc_pwr_det_latch);
> + writel(0, &pmc->pmc_pwr_det);
> +#endif
> +}
I can't tell how that code relates to the commit description.
--
nvpublic
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